by making use of pressure liquid or pressure gas for compacting the concrete

Patents Grantslast 30 patents

  • Information Patent Grant

    Methods for constructing tensionless concrete pier foundations and...

    • Patent number 11,976,431
    • Issue date May 7, 2024
    • TERRACON CONSULTANTS, INC.
    • Allan P. Henderson
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Pre-stress corrosion-resistant tubular pile used in special coastal...

    • Patent number 9,435,095
    • Issue date Sep 6, 2016
    • JIANGSU DONGPU PILE. CO., LTD.
    • Chenghua Yan
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Apparatus for forming in-ground concrete pilings

    • Patent number 4,992,002
    • Issue date Feb 12, 1991
    • Wayne DeWitt
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    System for driving open end pipe piles on the ocean floor using pne...

    • Patent number 4,575,282
    • Issue date Mar 11, 1986
    • James H. Pardue
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Device and process for making unclad concrete piles

    • Patent number 4,575,283
    • Issue date Mar 11, 1986
    • Claudio Guandalini
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Device for the control of the internal pressure in a drill pipe for...

    • Patent number 4,295,759
    • Issue date Oct 20, 1981
    • Hochstrasser geb. Wack; Elisabeth
    • Hans Mathieu
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    In situ pile forming method

    • Patent number 4,158,518
    • Issue date Jun 19, 1979
    • Fredric Rusche
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Device for the production of earth holes

    • Patent number 4,106,298
    • Issue date Aug 15, 1978
    • Hochstrasser nee Wack; Elizabeth
    • Hans Mathieu
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    3742717

    • Patent number 3,742,717
    • Issue date Jul 3, 1973
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    3492823

    • Patent number 3,492,823
    • Issue date Feb 3, 1970
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    3309878

    • Patent number 3,309,878
    • Issue date Mar 21, 1967
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    3254492

    • Patent number 3,254,492
    • Issue date Jun 7, 1966
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    3022634

    • Patent number 3,022,634
    • Issue date Feb 27, 1962
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    2924948

    • Patent number 2,924,948
    • Issue date Feb 16, 1960
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    2660862

    • Patent number 2,660,862
    • Issue date Dec 1, 1953
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    2555359

    • Patent number 2,555,359
    • Issue date Jun 5, 1951
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    2140111

    • Patent number 2,140,111
    • Issue date Dec 13, 1938
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    1954094

    • Patent number 1,954,094
    • Issue date Apr 10, 1934
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    1904079

    • Patent number 1,904,079
    • Issue date Apr 18, 1933
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    1763485

    • Patent number 1,763,485
    • Issue date Jun 10, 1930
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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    1607612

    • Patent number 1,607,612
    • Issue date Nov 23, 1926
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    1607613

    • Patent number 1,607,613
    • Issue date Nov 23, 1926
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents